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Data Status

CTD releases new data each month. The last release was May 8, 2012.

Curated references 91,594
Chemical–gene curated interactions 538,760
Unique chemicals 8,458
Unique genes 25,082
Unique organisms 376
Gene–disease associations 9,795,922
Curated[1] 22,012
Unique genes 6,343
Unique diseases 4,468
Inferred[2] 9,773,910
Unique genes 24,942
Unique diseases 2,909
Chemical–disease associations 968,796
Curated[1] 173,382
Unique chemicals 7,307
Unique diseases 2,970
Inferred[2] 795,414
Unique chemicals 8,142
Unique diseases 3,834
Enriched chemical–GO associations 2,070,152
Enriched chemical–pathway associations 196,073
Inferred disease–pathway associations 43,139
Gene–GO annotations 902,987
Gene–pathway annotations 62,057
Inferred GO–disease associations 431,521
Chemicals with curated data 11,345
Diseases with curated data 5,971
Via OMIM curation 3,174
Genes with curated data 26,257
Via OMIM curation 3,472
[1]
Curated associations are established by CTD (chemical–disease and gene–disease) and OMIM (gene–disease) curation.
[2]
Inferred associations are established via CTD-curated chemical–gene interactions (e.g., Chemical A is associated by inference with Disease B because Chemical A has a curated interaction with Gene C, and Gene C has a curated association with Disease B).

Our curated data is integrated with data from:

  1. ChemIDplus®
  2. DrugBank
  3. GO (Gene Ontology Consortium)
  4. KEGG (Kyoto Encyclopedia of Genes and Genomes)
  5. MeSH® (NLM® Medical Subject Headings®)
  6. NCBI Gene
  7. NCBI Taxonomy
  8. PubMed®
  9. Reactome